// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef _PREFERENCES_H_
#define _PREFERENCES_H_

#include "Arduino.h"
#include "Modem.h"

typedef enum {
    PT_I8, PT_U8, PT_I16, PT_U16, PT_I32, PT_U32, PT_I64, PT_U64, PT_STR, PT_BLOB, PT_INVALID
} PreferenceType;

class Preferences {
public:
    Preferences();
    ~Preferences();
    bool begin(const char * name, bool readOnly=false, const char* partition_label=NULL);
    void end();
    bool clear();
    bool remove(const char * key);
    size_t putChar(const char* key, int8_t value);
    size_t putUChar(const char* key, uint8_t value);
    size_t putShort(const char* key, int16_t value);
    size_t putUShort(const char* key, uint16_t value);
    size_t putInt(const char* key, int32_t value);
    size_t putUInt(const char* key, uint32_t value);
    size_t putLong(const char* key, int32_t value);
    size_t putULong(const char* key, uint32_t value);
    size_t putLong64(const char* key, int64_t value);
    size_t putULong64(const char* key, uint64_t value);
    size_t putFloat(const char* key, float_t value);
    size_t putDouble(const char* key, double_t value);
    size_t putBool(const char* key, bool value);
    size_t putString(const char* key, const char* value);
    size_t putString(const char* key, String value);
    size_t putBytes(const char* key, const void* value, size_t len);
    bool isKey(const char* key);
    PreferenceType getType(const char* key);
    int8_t getChar(const char* key, int8_t defaultValue = 0);
    uint8_t getUChar(const char* key, uint8_t defaultValue = 0);
    int16_t getShort(const char* key, int16_t defaultValue = 0);
    uint16_t getUShort(const char* key, uint16_t defaultValue = 0);
    int32_t getInt(const char* key, int32_t defaultValue = 0);
    uint32_t getUInt(const char* key, uint32_t defaultValue = 0);
    int32_t getLong(const char* key, int32_t defaultValue = 0);
    uint32_t getULong(const char* key, uint32_t defaultValue = 0);
    int64_t getLong64(const char* key, int64_t defaultValue = 0);
    uint64_t getULong64(const char* key, uint64_t defaultValue = 0);
    float_t getFloat(const char* key, float_t defaultValue = NAN);
    double_t getDouble(const char* key, double_t defaultValue = NAN);
    bool getBool(const char* key, bool defaultValue = false);
    size_t getString(const char* key, char* value, size_t maxLen);
    String getString(const char* key, String defaultValue = String());
    size_t getBytesLength(const char* key);
    size_t getBytes(const char* key, void * buf, size_t maxLen);
    size_t freeEntries();
};

#endif
